Isotopically Labeled Compounds
Medchemexpress LLC Banoxantrone-d12 dihydrochloride | 1562066-98-1 | 95.0% | C22H18D12Cl2N4O6 | 10MG
Banoxantrone-d12 dihydrochloride is the deuterium-labeled form of the bioreductive prodrug banoxantrone (AQ4N), supplied as a solid dihydrochloride for research use. It is intended for isotope tracing, mass-shift experiments, metabolic stability, and pharmacokinetic studies, and is provided with ~95% purity (CAS 1562066-98-1).
- Deuterium-labeled for isotope tracing and mass-shift experiments.
- Suitable for metabolic stability and pharmacokinetic studies.
- High purity for reliable analytical and mass spectrometry results.
- Solid dihydrochloride form for convenient handling and storage.
- Well characterized with molecular formula C22H18D12Cl2N4O6 for unambiguous identification.
Sigma Aldrich Fine Chemicals Biosciences Methanol-d4, 811-98-3, MFCD00044637, 10 x 0.75mL
Linear Formula CD3OD, Molecular Weight 36.07, ≥99.8 atom % D, contains 0.03 % (v/v) TMS, Synonym: Methyl-d3 alcohol d, Tetradeuteromethanol; Methanol-d4 is a deuterated NMR solvent containing 0.03 % (v/v) TMS (trimethylsilane). It is useful in NMR-based research and analyses.
Medchemexpress LLC Sitagliptin-d4 phosphate | 1432063-88-1 | 99.5% | C16H14D4F6N5O5P | 10MG
Sitagliptin-d4 phosphate is the deuterium-labeled isotopologue of sitagliptin phosphate provided as an analytical reference standard. It is used as a labeled internal standard in LC-MS and other bioanalytical assays to enable accurate quantification of sitagliptin and to support studies of DPP-4 inhibition.
- Deuterium-labeled internal standard for accurate quantification.
- High purity (≈99.5%) suitable for analytical use.
- Provides clear isotopic distinction in mass spectrometry assays.
- Stable when stored at 4°C; in solvent store at -80°C (6 months) or -20°C (1 month).
- Supplied in small pack sizes convenient for laboratory use.
Selleck Chemical LLC Nicotinamide-d4 E8043-1MG
Nicotinamide-d4 is the deuterium labeled Nicotinamide Nicotinamide is a form of vitamin B3 that plays essential roles in cell physiology through facilitating NAD redox homeostasis and providing NAD as a substrate to a class of enzymes that catalyze non-redox reactions Nicotinamide is an inhibitor of SIRT1
American Radiolabeled Chemicals Inc ADENOSINE 5 8-3H 1LC
Adenosine-5',8-3H 1mCi in ethanol:water (1:1), 1 mCi/ml, S.A. 60-90 Ci/mmol, M.W. 267.24, Shipped in Dry Ice
American Radiolabeled Chemicals Inc PREG-3A-3H 250UC
Pregnan-3a-ol-20-one, 5a-9,11,12-3H(N) 250uCi in ethanol, 1 mCi/ml, S.A. 40-70 Ci/mmol, M.W. 318, Shipped in Dry Ice, Exclusive
SIGMA ALDRICH FINE CHEMICALS BIOSCIENCES PREGNENOLONE 20 21 13C2 16 16
NC3827175 PREGNENOLONE 20 21 13C2 16 16
Medchemexpress LLC (R)-nicardipine-d3 | 00-00-0 | MFCD34676726 | 99.0% | 482.54 g/mol | C26H26D3N3O6 | 5 MG
(R)-Nicardipine-d3 is a deuterium-labeled form of R-nicardipine supplied as an analytical reference standard for research use. It is intended for method development, quantitative analysis, and mass spectrometry applications where an isotopically labeled internal standard is required.
- Deuterium-labeled analog for use as an internal standard in LC-MS assays.
- High reported purity (99.0%) suitable for analytical applications.
- Molecular weight 482.54 g/mol and formula C26H26D3N3O6.
- Available in small research quantities (1 mg, 5 mg, 10 mg).
- Supplied with a certificate of analysis supporting batch purity and identity.
Medchemexpress LLC 4-(N-nitrosomethylamino)-1-(3-pyridyl)-1-butanone-d4 | 764661-24-7 | 99.7% | 211.25 g/mol | C10H9D4N3O2 | 5 MG
NNK-d4 is the deuterium-labeled analogue of the tobacco-specific nitrosamine NNK, provided for research use as an isotopic tracer or internal standard for quantitative analysis by NMR, GC-MS, and LC-MS. It is intended for laboratory research only and not for human use.
- High purity (99.65%).
- Isotopically labeled to improve quantitation and traceability in mass spectrometry.
- Soluble in DMSO at ≥ 62.5 mg/mL for easy sample preparation.
- Suitable as a tracer or internal standard for NMR, GC-MS, and LC-MS workflows.
- Provided with supporting documentation including COA and SDS.
Medchemexpress LLC Benzophenone-d10 | 22583-75-1 | MFCD00143675 | 99.6% | 192.28 | C13D10O | 25mg
Benzophenone-d10 is the deuterium labeled Benzophenone (HY-Y0546) Benzophenone is an endogenous metabolite Benzophenone is a photosensitizer that absorbs UV light transfers its energy to DNA and triggers DNA damage Benzophenone can be used as the fragrance enhancer ultraviolet curing agent additive in plastics or the flavor ingredient Benzophenone can also be used in the manufacturing of insecticides agricultural chemicals hypnotics antihistamines and other pharmaceuticals Benzophenone exhibits certain carcinogenicity in mouse/rat models under long term exposure Benzophenone exhibits estrogenic activity[1][2]
Sigma Aldrich Fine Chemicals Biosciences Methanol d4 99.8 atom D c50G
Methanol-d4 is a deuterated NMR solvent containing 0.03 % (v/v) TMS (trimethylsilane). It is useful in NMR-based research and analyses.
Sigma Aldrich Fine Chemicals Biosciences L-Cysteine-13C3,15N >=99 atom %, >=98% (CP) | 202406-97-1 | MFCD01073449 | 100MG
L-Cysteine-13C3,15N >=99 atom %, >=98% (CP) | Purity: >=98% (CP) | Mol Wt: 125.13 | 202406-97-1 | MFCD01073449 | 100MG